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arcsin(arcsin(tan(x)))=x+4/3!*x^3+84/5!*x^5+4488/7!*x^7+458448/9!*x^9...
0

%I #4 Feb 24 2012 12:50:39

%S 1,4,84,4488,458448,76530048,18958160064,6533187385728,

%T 2990371546714368,1755799654033628160,1286962755283219153920,

%U 1152156355072706267179008,1237421224352190570236497920

%N arcsin(arcsin(tan(x)))=x+4/3!*x^3+84/5!*x^5+4488/7!*x^7+458448/9!*x^9...

%K nonn

%O 0,2

%A Patrick Demichel (patrick.demichel(AT)hp.com)